下列物质的用途只与其物理性质有关的是【    】 A.氢气可作清

下列物质的用途只与其物理性质有关的是   

A.氢气可作清洁燃料           

B.活性炭可吸附冰箱中的异味 

C.食醋可除去水壶中的水垢     

D.氧气用于医疗急救

答案

B

相关题目

–Yesterday I won the first prize in the singing competition. –Really? ____
–Yesterday I won the first prize in the singing competition. –Really? _______! A. Congratulations    B. That’s right  C. Don’t mention it  D. Thanks
 假设你是李华,你的英国笔友Tom在来信中向你提到他很内向
 假设你是李华,你的英国笔友Tom在来信中向你提到他很内向,在学校里没有朋友,请根据下列要点写一封回信,给予安慰。   内容包括:   1.结交朋
 等于( ) A. -1    B. 1    C.    D.
 等于( ) A. -1    B. 1    C.    D.
蔡元培曾撰写过这样一副挽联:“是中国自由神,三民五权
蔡元培曾撰写过这样一副挽联:“是中国自由神,三民五权,推翻历史数千年专制之局;愿吾侪后死者,齐心协力,完成先生一二件未竟之功。”他悼
My house is the only brick one on the street. It______ and you can’t miss it.
My house is the only brick one on the street. It______ and you can’t miss it.    A. sticks out   B. holds out     C. looks out   D. makes out
两个电阻,R1=8 Ω,R2=2 Ω,并联在电路中.欲使这两个电阻消
两个电阻,R1=8 Ω,R2=2 Ω,并联在电路中.欲使这两个电阻消耗的电功率相等,可行的办法是…(    )A.用一个阻值为2 Ω的电阻与R2串联          
Some people believe that a Robin Hood is at work, others that a wealthy person
Some people believe that a Robin Hood is at work, others that a wealthy person simply wants to distribute his or her fortune before dying. But the donator who started sending envelopes with cash to
补写出下列名篇名句中看空缺部分。(6分) 18.总角之宴,
补写出下列名篇名句中看空缺部分。(6分) 18.总角之宴,                  。(《诗经·氓》) 19.岂无山歌与村笛,              

最新题目